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November 01, 2025, 10:57:07 am
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Author Topic: 2010 Unit 3 Trial Exams  (Read 24423 times)  Share 

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stonecold

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Re: 2010 Unit 3 Trial Exams
« Reply #90 on: June 05, 2010, 09:24:07 pm »
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It was okay.

Question 1b. was ambiguous I thought, as carbon oxidation number also goes down...

And the NMR spectroscopy question was rather poor as well.

Multi choice were good though I guess.  A few new, different and challenging ones in there which was good.
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Michael0007

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Re: 2010 Unit 3 Trial Exams
« Reply #91 on: June 06, 2010, 02:50:33 pm »
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Question 16 is wrong for IARTV 2010?

Statement I is true!

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stonecold

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Re: 2010 Unit 3 Trial Exams
« Reply #92 on: June 06, 2010, 04:34:30 pm »
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^ The amide link does not contain C-O, it contains C=O.

It asks for the links between monomers only.
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Michael0007

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Re: 2010 Unit 3 Trial Exams
« Reply #93 on: June 06, 2010, 06:04:06 pm »
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oh true dat
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iffets12345

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Re: 2010 Unit 3 Trial Exams
« Reply #94 on: June 07, 2010, 12:34:11 am »
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about CSE, question 5: cii:

How many difference environments exist in this molecule?
* the molecule is aspirin
*It is CNMR

THere are 8 carbons, and the answer says 9 environments. Anyone care to explain?
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stonecold

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Re: 2010 Unit 3 Trial Exams
« Reply #95 on: June 07, 2010, 12:39:28 am »
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There are 9 carbons, count again...
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iffets12345

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Re: 2010 Unit 3 Trial Exams
« Reply #96 on: June 07, 2010, 12:41:20 am »
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aw crap, their diagram is wrong.
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stonecold

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Re: 2010 Unit 3 Trial Exams
« Reply #97 on: June 07, 2010, 12:44:50 am »
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nahh, you've miscounted...
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iffets12345

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Re: 2010 Unit 3 Trial Exams
« Reply #98 on: June 07, 2010, 12:21:54 pm »
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...my printers smudge the C into an O. =='
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cindyy

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Re: 2010 Unit 3 Trial Exams
« Reply #99 on: June 07, 2010, 12:42:12 pm »
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Quote from: stonecold on June 05, 2010, 09:01:01 pm
Can someone please explain question 4 and 20 from CSE/IARTV 2010 for multi choice.

I especially disagree with question 20, but maybe I'm wrong.

And this shit paper ranks up there with the worst. 

Alternative A on question 20: '60 bases pairs of which 30 are guanine'

wow, that makes a great deal of fucking sense...

edit: don't worry, i get it all now...

can you please explain q 4 :D :D
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stonecold

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Re: 2010 Unit 3 Trial Exams
« Reply #100 on: June 07, 2010, 12:50:08 pm »
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akira88

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Re: 2010 Unit 3 Trial Exams
« Reply #101 on: June 07, 2010, 07:47:54 pm »
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Quote from: iffets12345 on June 07, 2010, 12:21:54 pm
...my printers smudge the C into an O. =='
Lmao XD
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iffets12345

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Re: 2010 Unit 3 Trial Exams
« Reply #102 on: June 07, 2010, 07:58:41 pm »
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GGed by a printer for once, not my brain!:D
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sanam

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Re: 2010 Unit 3 Trial Exams
« Reply #103 on: December 10, 2010, 10:40:44 am »
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Hi could you possibly re-upload these as when i click on the link it says "deleted or invalid file"
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meli001

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Re: 2010 Unit 3 Trial Exams
« Reply #104 on: May 19, 2011, 10:06:22 pm »
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Is it just or does the link not work anymore? If you could repost it, that would be much appreciated ^^
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